Bluetooth-speaker

Wireless bluetooth speaker with high quality sound.

Features

• Custom made sound card with an ESP32 and a high quality 24bit 192khz dac, Hi-Fi quality
• Completely wireless: battery charging and BMS included
• Amplifiers and crossover custom made for this product, design is power efficient
• Can support LDAC bluetooth codec for higher music bitrate (up to 990 kbps)

Documentation

• Schematics can be found in the hardware folder

• Code is self explanatory, thus no documentation is needed

• PlatformIO: https://platformio.org/

• DAC datasheet: https://statics.cirrus.com/pubs/proDatasheet/CS4344-45-48_F2.pdf

• ESP32 datasheet: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32e_esp32-wroom-32ue_datasheet_en.pdf

• Bluetooth library used: https://github.com/pschatzmann/ESP32-A2DP

• Oamk documentation in its own folder

Architecture